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Weak decays of heavy hadron molecules involving the f0(980)
Tanja Branz, Thomas Gutsche, Valery E. Lyubovitskij
We study weak decays of the charm- and bottom-strange mesons Ds0*(2317), Ds1(2460), Bs0*(5725) and Bs1(5778) with f0(980) in the final state by assuming a hadronic molecule interpr…
Strong decays of radially excited mesons in a chiral approach
Thomas Gutsche, Valery E. Lyubovitskij, Malte C. Tichy
We study radial excitations of pseudoscalar and vector (q bar q) mesons within a chiral approach. We derive a general form for a chiral Lagrangian describing processes involving ex…
Semileptonic decays of the light J(P)=1/2(+) ground state baryon octet
Amand Faessler, Thomas Gutsche, Barry R. Holstein +3
We calculate the semileptonic baryon octet-octet transition form factors using a manifestly Lorentz covariant quark model approach based on the factorization of the contribution of…
Strong and radiative decays of the scalars f0(980) and a0(980) in a hadronic molecule approach
Tanja Branz, Thomas Gutsche, Valery E. Lyubovitskij
We analyze the electromagnetic and strong decay properties of the light scalars a0(980) and f0(980) within a hadronic molecule interpretation. Both scalars are discussed within a c…
Hadronic Molecules and the f0(980)/a0(980)
Tanja Branz, Thomas Gutsche, Valery E. Lyubovitskij
We discuss a possible interpretation of the f0(980) and a0(980) mesons as hadronic molecules - bound states of K and Kbar mesons. Using a phenomenological Lagrangian approach we ca…
Phenomenological Lagrangian approach to the electromagnetic deuteron form factors
Yubing Dong, Amand Faessler, Thomas Gutsche +1
A phenomenological Lagrangian approach is employed to study the electromagnetic properties of the deuteron. The deuteron is regarded as a weakly bound state of the proton and neutr…
Estimate for the X(3872) to gamma J/psi decay width
Yubing Dong, Amand Faessler, Thomas Gutsche +1
The X(3872) resonance is considered as a hadronic molecule, a loosely-bound state of charmed D0 and D*0 mesons, since its mass is very close to the D*0 barD0 threshold. Assuming st…
Molecular structure of the Bs0*(5725) and Bs1(5778) bottom-strange mesons
Amand Faessler, Thomas Gutsche, Valery E. Lyubovitskij +1
We discuss a possible interpretation of the scalar Bs0*(5725) and axial Bs1(5778) bottom-strange mesons as hadronic molecules - bound states of B K and B* K mesons, respectively. U…